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Facebook shares began trading five years ago this morning, following a delay caused by technical difficulties at the NASDAQ. The social network had priced its IPO at $38 per share the prior evening, with first trades (eventually) coming in at $42 per share (it would close at $38.23).

Yesterday the company closed trading at $144.85 per share, with a $412 billion market cap that makes it one of the world's most valuable companies.

Expand chart

Data: Yahoo! Finance; Chart: Lazaro Gamio / Axios

Go deeper

Biden warned Putin of specific "consequences" if Russia invades Ukraine

Photo: Kremlin Press Office/Handout/Anadolu Agency via Getty Images

In a video call that lasted for just over two hours on Tuesday, President Biden warned Russian President Vladimir Putin that if Russia invades Ukraine the U.S. will impose unprecedented sanctions and provide additional weaponry to the Ukrainians, national security adviser Jake Sullivan said.

Why it matters: Russia's military activity on the border with Ukraine has triggered alarms from the U.S. and its European allies of a potential large-scale Russian invasion in early 2022. Sullivan said Biden made clear to Putin that, "things we did not do in 2014, we are prepared to do now."

Senate leaders sell members on debt limit deal

Sen. Chuck Schumer (L) and Sen. Mitch McConnell (R) Photo by Anna Moneymaker/Getty Images

Senate Majority Leader Chuck Schumer (D-N.Y.) and Minority Leader Mitch McConnell (R-Ky.) are urging their respective caucuses to back a deal that would clear a path to raising the debt ceiling.

Driving the news: The agreement, negotiated by the two leaders and House Speaker Nancy Pelosi (D-Calif.), involves Congress passing a law allowing a one-time rule change so the Senate can raise the debt ceiling with just 51 votes, rather than the 60 typically needed to overcome the filibuster.

Updated 2 hours ago - Health

CDC: 60% of U.S. is fully vaccinated

Photo: Nick Oxford/Bloomberg via Getty Images

Sixty percent of the U.S. population is fully vaccinated against COVID-19, according to the Centers for Disease Control and Prevention.

Why it matters: This comes as the Omicron variant continues to spread across the U.S. It has been detected in 19 states, and the number is expected to increase, CDC director Rochelle Walensky said during Tuesday's White House COVID-19 briefing.

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